package com.wn.class30.service;

import com.google.gson.internal.$Gson$Preconditions;
import com.wn.class30.entity.ProductImgHead;

import java.util.List;

public interface ProductImgHeadService {
    List<ProductImgHead> selectProductImgHeadsByProductId(Integer productId)throws Exception;

    void insertProductImgHead(ProductImgHead productImgHead)throws Exception;

    void deleteProductImgHeadByProductId(Integer productId)throws Exception;
}
